<template>
  <div class="mapcontainer">
    <div class="search-box">
      <input v-model="searchKey" type="search" id="search" />
      <button @click="searchByHand">搜索</button>
      <div class="tip-box" id="searchTip"></div>
    </div>
    <!--
        amap-manager： 地图管理对象
        vid：地图容器节点的ID
        zooms： 地图显示的缩放级别范围，在PC上，默认范围[3,18]，取值范围[3-18]；在移动设备上，默认范围[3-19]，取值范围[3-19]
        center： 地图中心点坐标值
        plugin：地图使用的插件
        events： 事件
    -->
    <el-amap
      class="amap-box"
      :amap-manager="amapManager"
      :vid="'amap-vue'"
      :zoom="zoom"
      :plugin="plugin"
      :events="events"
      :center="center"
    >
      <!-- 标记 -->
      <el-amap-marker
        v-for="(marker, index) in markers"
        :position="marker"
        :key="index"
      ></el-amap-marker>
    </el-amap>
  </div>
</template>

<script>
// 高德key   357eb5a20f9fc7d39f3a128cefddf10a
import { AMapManager, lazyAMapApiLoaderInstance } from "vue-amap";
const amapManager = new AMapManager();
export default {
  name: "Map",
  props: {
    lnglat: {
      default: () => {
        return {
          lng: "",
          lat: "",
        };
      },
      type: Object,
    },
  },
  data() {
    const self = this;
    return {
      address: null,
      searchKey: "",
      amapManager,
      markers: [],
      searchOption: {
        city: "宁波",
        citylimit: true,
      },
      saveData: {
        pos: [],
        adname: "",
        name: "",
      },
      center: [121.329402, 31.228667],
      zoom: 15,
      lng: 0,
      lat: 0,
      loaded: false,
      events: {
        init() {
          lazyAMapApiLoaderInstance.load().then(() => {
            self.initSearch();
          });
        },
        // 点击获取地址的数据
        click(e) {
          // console.log(e)
          self.markers = [];
          const { lng, lat } = e.lnglat;
          self.lng = lng;
          self.lat = lat;
          self.center = [lng, lat];
          self.markers.push([lng, lat]);
          // 这里通过高德 SDK 完成。
          const geocoder = new AMap.Geocoder({
            radius: 1000,
            extensions: "all",
          });
          geocoder.getAddress([lng, lat], function (status, result) {
            if (status === "complete" && result.info === "OK") {
              if (result && result.regeocode) {
                // console.log(result);
                self.address = result.regeocode.formattedAddress;
                self.searchKey = result.regeocode.formattedAddress;
                self.$nextTick();
                const poi = result.regeocode.addressComponent;
                const d = {
                  pos: [lng, lat],
                  adname: poi.district,
                  // name: poi.name,
                  address: self.address,
                };

                self.$emit("poi", d);
              }
            }
          });
        },
      },
      // 一些工具插件
      plugin: [
        // {
        //   pName: 'Geocoder',
        //   events: {
        //     init (o) {
        //       console.log(o.getAddress())
        //     }
        //   }
        // },
        {
          // 定位
          pName: "Geolocation",
          events: {
            init(o) {
              // o是高德地图定位插件实例
              o.getCurrentPosition((status, result) => {
                if (result && result.position) {
                  // 设置经度
                  self.lng = self.lnglat.lng || result.position.lng;
                  // 设置维度
                  self.lat = self.lnglat.lat || result.position.lat;
                  // 设置坐标
                  self.center = [self.lng, self.lat];
                  self.markers.push([self.lng, self.lat]);
                  // load
                  self.loaded = true;
                  // 页面渲染好后
                  self.$nextTick();
                }
              });
            },
          },
        },
        {
          // 工具栏
          pName: "ToolBar",
          events: {
            init(instance) {
              // console.log(instance);
            },
          },
        },
        {
          // 鹰眼
          pName: "OverView",
          events: {
            init(instance) {
              // console.log(instance);
            },
          },
        },
        {
          // 地图类型
          pName: "MapType",
          defaultType: 0,
          events: {
            init(instance) {
              // console.log(instance);
            },
          },
        },
        {
          // 搜索
          pName: "PlaceSearch",
          events: {
            init(instance) {
              // console.log(instance)
            },
          },
        },
      ],
    };
  },
  created() {
    this.searchKey = this.lnglat.address;
  },
  methods: {
    initSearch() {
      const vm = this;
      const map = this.amapManager.getMap();
      AMapUI.loadUI(["misc/PoiPicker"], function (PoiPicker) {
        var poiPicker = new PoiPicker({
          input: "search",
          placeSearchOptions: {
            map: map,
            pageSize: 10,
          },
          suggestContainer: "searchTip",
          searchResultsContainer: "searchTip",
        });
        vm.poiPicker = poiPicker;
        // 监听poi选中信息
        poiPicker.on("poiPicked", function (poiResult) {
          const source = poiResult.source;
          const poi = poiResult.item;
          if (source !== "search") {
            poiPicker.searchByKeyword(poi.name);
          } else {
            poiPicker.clearSearchResults();
            vm.markers = [];
            const lng = poi.location.lng;
            const lat = poi.location.lat;
            const address = poi.cityname + poi.adname + poi.name;
            vm.center = [lng, lat];
            vm.markers.push([lng, lat]);
            vm.lng = lng;
            vm.lat = lat;
            vm.address = address;
            vm.searchKey = address;
            const d = {
              pos: [lng, lat],
              adname: poi.adname,
              name: poi.name,
              address:
                poi.pname +
                " " +
                poi.cityname +
                " " +
                poi.adname +
                " " +
                poi.address +
                " " +
                poi.name,
            };
            // console.log(JSON.stringify(poi, null, 3));
            // vm.$parent.getPos([lng, lat], poi.adname, poi.name);

            vm.$emit("poi", d);
          }
        });
      });
    },
    searchByHand() {
      if (this.searchKey !== "") {
        this.poiPicker.searchByKeyword(this.searchKey);
      }
    },
  },
};
</script>

<style lang="scss">
.mapcontainer {
  width: 100%;
  height: 400px;
  /* position: absolute;
  left: 50%;
  top: 50%;
  transform: translate3d(-50%, -50%, 0); */
  border: 1px solid #999;
  margin-top: 40px;
  position: relative;
  .search-box {
    width: 100%;
    border: 1px solid #999;
    margin: 0 auto;
    height: 42px;
    position: absolute;
    top: -50px;
    left: 0;
    z-index: 888;
    display: flex;
    justify-content: space-between;
  }
  .search-box input {
    width: 80%;
    height: 100%;
    border: none;
    outline: none;
    padding: 0 8px;
    box-sizing: border-box;
  }
  .search-box button {
    width: 20%;
    height: 100%;
    border: none;
    background: #1890ff;
    color: #fff;
    outline: none;
  }
  .tip-box {
    width: 100%;
    max-height: 260px;
    position: absolute;
    top: 40px;
    overflow-y: auto;
    background-color: #fff;
  }
}
</style>

